General

  • Target

    451d0f9d77c31129f271d062425abb50N

  • Size

    2.0MB

  • Sample

    240909-l8es7svfnd

  • MD5

    451d0f9d77c31129f271d062425abb50

  • SHA1

    71750713e968cffc9c53743dde99dfa909389933

  • SHA256

    8cb956bcc3afb6feb498b80112700b4cd124b5de71d90d87cbf6eebd0d371da5

  • SHA512

    54001281e47c5722c8470cbabdb1963cb0426e16a43510eea993e755b8ebbadb2224f27068105787c099074902298033a38e2a72bdfbbb4e5d7a85578de2427f

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYd:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YH

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

EbayProfiles

C2

5.8.88.191:443

sockartek.icu:443

Mutex

QSR_MUTEX_0kBRNrRz5TDLEQouI0

Attributes
  • encryption_key

    MWhG6wsClMX8aJM2CVXT

  • install_name

    winsock.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    win defender run

  • subdirectory

    SubDir

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

Targets

    • Target

      451d0f9d77c31129f271d062425abb50N

    • Size

      2.0MB

    • MD5

      451d0f9d77c31129f271d062425abb50

    • SHA1

      71750713e968cffc9c53743dde99dfa909389933

    • SHA256

      8cb956bcc3afb6feb498b80112700b4cd124b5de71d90d87cbf6eebd0d371da5

    • SHA512

      54001281e47c5722c8470cbabdb1963cb0426e16a43510eea993e755b8ebbadb2224f27068105787c099074902298033a38e2a72bdfbbb4e5d7a85578de2427f

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYd:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YH

    • Azorult

      An information stealer that was first discovered in 2016, targeting browsing history and passwords.

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks